US1135880A - Draw-bar attachment. - Google Patents

Draw-bar attachment. Download PDF

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Publication number
US1135880A
US1135880A US86125914A US1914861259A US1135880A US 1135880 A US1135880 A US 1135880A US 86125914 A US86125914 A US 86125914A US 1914861259 A US1914861259 A US 1914861259A US 1135880 A US1135880 A US 1135880A
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Prior art keywords
draw bar
draw
springs
bar
leg
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Expired - Lifetime
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US86125914A
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Ernest P Clark
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G5/00—Couplings for special purposes not otherwise provided for
    • B61G5/02—Couplings for special purposes not otherwise provided for for coupling articulated trains, locomotives and tenders or the bogies of a vehicle; Coupling by means of a single coupling bar; Couplings preventing or limiting relative lateral movement of vehicles

Definitions

  • This invention relates to car attachments and more particularly to means for holding the draw bar of railroad cars in central position with relation to the body of the car.
  • the principal object of the invention is to provide novel means for holding the draw bar in central position with relation to the car, which means permits lateral movement of said bar to compensate for the swing of the car when turning curves.
  • a further object of the invention is to provide a structure of this character having anti-friction means in engagement with the draw bar so as to minimize friction in a longitudinal or lateral movement of the draw bar.
  • Figure 1 is a bottom plan view of a car showing the attachment applied thereto and with the parts broken away.
  • Fig. 2 is a longitudinal sectional view taken on the line 2-2 of Fig. 1.
  • Fig. 3 is a horizontal sectional view taken on the line 33 of Fig. 2.
  • 1 and 2 represent the center sills of the car frame and mounted between the sills with the outer end supported in the carry iron 3 is the draw bar 4 having the usual coupler head 5 attached to its outer end.
  • the draw bar may be of any preferred con struction but is preferably constructed of two parts with an interposed spring or the like and has its inner end pivoted to the center bearing 6.
  • each center sill 1 and 2 Secured to each center sill 1 and 2 so as to be engaged upon opposite sides of the draw bar is a substantially ll shaped spring memher 7 the terminal of one leg of which is formed into an eye adapted to receive a bolt Specification of Letters Patent.
  • the same leg, adjacent its connection with the other or inner leg, is provided with a pair of laterally extending cars 11 secured to the center sills as shown.
  • the other or inner leg of the ll-shaped spring member is provided with a pair of inwardly extending ears 12 arranged in parallelism and having journaled therebetween a roller or wheel 13 which bears upon the side of the draw bar and reduces the friction which would otherwise be produced by the longitudinal and lateral movements of the draw bar over the ends of the spring.
  • the legs of the springs are provided as shown with oppositely extending lugs or projections 14 which receive a spiral spring 15 reinforcing the action of the springs 7.
  • a draw bar attachment for railway cars having spaced center sills, U-shaped springs secured to the sills on opposite sides of the draw bar, lateral ears formed on one leg of the U-shaped springs, and rollers journaled in said lateral ears and arranged to engage the draw bar.
  • a draw bar attachment for railway cars having spaced center sills, U-shaped springs secured to the sills on opposite sides of the draw bar, lateral ears formed on one leg of the U-shaped springs, rollers journaled in said lateral ears and arranged to engage the draw bar, and auxiliary springs arranged between the legs of the U-shaped springs.

Description

E. P. CLARK.
DRAWBAR ATTACHMENT.
APPLICATLON mm SEPT- 11. 1914.
Patented Apr. 13, 19115.
Wil'mwow attouwu THE NORRIS PETERS 60.. FH",.J-LITHO.. WAsHINGmN. D. C.
ERNEST I. CLARK, 0T5 MOREISTON, FLORIDA.
DRAW-BAR ATTACHMENT.
Application filed. September 11, 1914.
To all whom it may concern Be it known that I, ERNEST P. CLARK, a citizen of the United States, residing at Morriston, in the county of Levy and State of Florida, have invented new and useful Improvements in Draw-Bar Attachments, of which the following is a specification.
This invention relates to car attachments and more particularly to means for holding the draw bar of railroad cars in central position with relation to the body of the car.
The principal object of the invention is to provide novel means for holding the draw bar in central position with relation to the car, which means permits lateral movement of said bar to compensate for the swing of the car when turning curves.
A further object of the invention is to provide a structure of this character having anti-friction means in engagement with the draw bar so as to minimize friction in a longitudinal or lateral movement of the draw bar.
Further objects of the invention will appear as the following description is read in connection with the accompanying drawing, which forms a part of this application, and in which:
Figure 1 is a bottom plan view of a car showing the attachment applied thereto and with the parts broken away. Fig. 2 is a longitudinal sectional view taken on the line 2-2 of Fig. 1. Fig. 3 is a horizontal sectional view taken on the line 33 of Fig. 2.
Referring more particularly to the drawing, 1 and 2 represent the center sills of the car frame and mounted between the sills with the outer end supported in the carry iron 3 is the draw bar 4 having the usual coupler head 5 attached to its outer end. The draw bar may be of any preferred con struction but is preferably constructed of two parts with an interposed spring or the like and has its inner end pivoted to the center bearing 6.
Secured to each center sill 1 and 2 so as to be engaged upon opposite sides of the draw bar is a substantially ll shaped spring memher 7 the terminal of one leg of which is formed into an eye adapted to receive a bolt Specification of Letters Patent.
Patented Apr. 13, 1915.
Serial No. 861,259.
9 passing through the end sill 10 and the carry iron 3. The same leg, adjacent its connection with the other or inner leg, is provided with a pair of laterally extending cars 11 secured to the center sills as shown. The other or inner leg of the ll-shaped spring member is provided with a pair of inwardly extending ears 12 arranged in parallelism and having journaled therebetween a roller or wheel 13 which bears upon the side of the draw bar and reduces the friction which would otherwise be produced by the longitudinal and lateral movements of the draw bar over the ends of the spring. The legs of the springs are provided as shown with oppositely extending lugs or projections 14 which receive a spiral spring 15 reinforcing the action of the springs 7. It will be noticed that when attachments of this character are applied to the center sills and bear against each side of the draw bar that said draw bar will always be moved to a position centrally of the body when the coupler thereon is released from the coupler on the adjoining car and is thereby always in position to be coupled.
What is claimed is 1. A draw bar attachment for railway cars having spaced center sills, U-shaped springs secured to the sills on opposite sides of the draw bar, lateral ears formed on one leg of the U-shaped springs, and rollers journaled in said lateral ears and arranged to engage the draw bar.
2. A draw bar attachment for railway cars having spaced center sills, U-shaped springs secured to the sills on opposite sides of the draw bar, lateral ears formed on one leg of the U-shaped springs, rollers journaled in said lateral ears and arranged to engage the draw bar, and auxiliary springs arranged between the legs of the U-shaped springs.
3. In a draw bar attachment for cars having spaced center sills and a draw bar carry iron, U-shaped springs arranged between the center sills and the draw bar on opposite sides of the latter, lateral ears on one leg of each spring for connecting said spring to one of the sills, an eye formed on the same leg of said springs, means engaged with the I carry iron andwith the eyes for securing the In testimony whereof I affix my signature springs to the carry iron, auziliary springs in presence of two Witnesses. arranged between the legs 0 the U-shaped springs, and rollers journaled in the terminal ERNEST CLARK .3 01 the other leg of said springs and arranged Witnesses: to engage upon opposite sides of the draw J. P. FANT,
bar. T. A. PEDRIGK.
Copies of this patent may be obtained for five cents each, by addressing the Commissioner, of Patents, Washington, D. G.
US86125914A 1914-09-11 1914-09-11 Draw-bar attachment. Expired - Lifetime US1135880A (en)

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US86125914A US1135880A (en) 1914-09-11 1914-09-11 Draw-bar attachment.

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